Features: Ensure you never miss a call with this telephone sound amplifier. Stay connected and catch every important call, even in loud environments or for those with hearing difficulties. This external device easily connects to any standard landline phone, providing adjustable volume levels for clear and timely reception of incoming calls. Additionally, it features a flashing light indicator for visual notification. Suitable for individuals with hearing difficulties or those working in noisy environments, this telephone sound amplifier ensures improved bility and visibility of incoming calls. Perfect for home, office, or commercial use, this telephone sound amplifier works with all landline phones. Whether you are in a busy office or a lively household, stay connected and catch every important call. Stay connected and ensure you catch every call with this easy-to-install telephone sound amplifier. Enjoy increased volume and improved visibility, making it suitable for seniors, people with hearing difficulties, and noisy environments. No complicated installation or batteries required; telephone line powered. Not suitable for card insertion wireless phones and IP phones. Specifications: Material: ABS Color: White Size: Approx. 100x60x20mm / 3.94x2.36x0.79in Note: Please allow 1-2cm errors due to manual measurement; please make sure you do not mind before ordering. Due to differences between monitors, the picture may not reflect the actual color of the item. Package includes: 1 x Telephone Ringer